| persistently(adverb, vigorously, earnestly, hastily, carefully) |
| diligently(adverb, vigorously, earnestly, actively, hastily) |
| tirelessly(adverb, resolutely, tenaciously) |
| industriously(adverb, vigorously, earnestly, actively, hastily) |
| assiduously(adverb, vigorously, earnestly, actively, hastily) |
| doggedly(adverb, resolutely, tenaciously) |
| energetically(adverb, vigorously, earnestly, actively, hastily) |
| laboriously(adverb, vigorously, earnestly, actively, hastily) |
| sedulously(adverb, good working) |
| strenuously(adverb, vigorously, earnestly, actively, hastily) |
| unflaggingly(adverb, tenaciously) |
| determinedly(adverb, resolutely, tenaciously) |
| faithfully(adverb, resolutely, tenaciously) |
| fervently(adverb, vigorously, earnestly, actively, hastily) |
| hard |
| resolutely(adverb, resolutely, tenaciously) |
| unremittingly(adverb, vigorously, earnestly, actively, hastily) |
| devotedly(adverb, resolutely, tenaciously) |
| heartily(adverb, resolutely, tenaciously) |
| indomitably(adverb, resolutely, tenaciously) |